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Timeline for 3n+1 problem and cycles

Current License: CC BY-SA 3.0

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Mar 16, 2015 at 11:36 answer added Gottfried Helms timeline score: 9
Aug 4, 2014 at 11:38 comment added Jose Capco @Stefan agreed!
Aug 4, 2014 at 9:16 comment added Stefan Kohl With respect to Lagarias' bibliography: on February 12, 2012, when he updated his bibliography for the last time so far, Lagarias has written to me: "I am happy to hear about other articles but I have run out of energy for updating the annotated bibliography from 2010 -- on." -- I think this is quite a pity, and it would certainly be good if the further maintenance of this valuable bibliography would be passed on to somebody else, rather than just letting it become a document of purely historical interest by the time.
Aug 3, 2014 at 22:56 answer added user9072 timeline score: 7
Aug 3, 2014 at 22:47 comment added Stefan Kohl I can only confirm what Andreas Blass has written. The Wikipedia article on the Collatz conjecture is usually kept up-to-date: en.wikipedia.org/wiki/Collatz_conjecture.
Aug 3, 2014 at 22:40 comment added Andreas Blass A priori, the Collatz conjecture could fail in two ways: a non-trivial cycle or a Collatz sequence tending to infinity. As far as I know, both possibilities are still open.
Aug 3, 2014 at 22:34 history edited Jose Capco CC BY-SA 3.0
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Aug 3, 2014 at 22:27 history asked Jose Capco CC BY-SA 3.0